CANON WFT-E7B V2 TRANSMITTER T. 5DMKIII/IV/5DS/-R

Canon WFT-E7B II Wireless File Transmitter

Ideal for studio photographers and photojournalists, this wireless file transmitter can be used to transfer images onto a computer almost as soon as they're taken.
Great for wiring directly to a client or creative agency, the WFT-E7B II Wireless File Transmitter enables your computer or smart device to control your EOS over Wi-Fi, via Canon's freely-available EOS Utility software.